Bob Reeves 43W/M/69 vs Giardinelli 1VM
The Giardinelli 1VM has a wider cup diameter.
Mouthpiece A
Bob Reeves 43W/M/69
• Cornet
Cup diameter17.07 mm / 0.6720 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore69
Finish—
Material—
vs
Mouthpiece B
Giardinelli 1VM
• Cornet
Cup diameter17.50 mm / 0.6890 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Cup Diameter
The Giardinelli 1VM has a cup diameter of 17.50 mm / 0.6890 in compared to 17.07 mm / 0.6720 in on the Bob Reeves 43W/M/69 — a difference of 0.43 mm / 0.0169 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
Which is better?
Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.